Colin Snow
Sleep is impacted by the menstrual cycle, with women reporting more disturbed sleep than men. The luteal phase, which occurs after ovulation and lasts until the start of menstruation, is marked by increased levels of progesterone, which can cause heightened anxiety and increased body temperature, making it difficult to fall and stay asleep. Women with premenstrual dysphoric disorder (PMDD) also experience a decreased response to melatonin during the luteal phase, leading to poorer sleep quality. Additionally, those with PMDD may experience more sleep disturbances in the late luteal phase due to symptoms such as increased cramps, headaches, breast tenderness, and bloating. Thus, it can be surmised that sleep quality may be further impacted during the luteal phase for some women.
| Characteristics | Values |
|---|---|
| Sleepiness | Women feel more sleepy after ovulation due to increased levels of progesterone. |
| Sleep Problems | Sleep problems can occur when progesterone reduces, towards the end of the luteal phase and before menstruation starts. |
| Sleep Quality | Women with premenstrual dysphoric disorder (PMDD) experience poorer sleep quality during the luteal phase. |
| Sleep Architecture | Women with PMDD may experience an additional change to sleep architecture in the form of increased deep sleep during the luteal phase. |
| Sleep Duration | Women with PMDD sleep longer than those without it. |
| Sleep Efficiency | Women's sleep efficiency is lower during the luteal phase. |
| Sleep Disturbances | Women experience more sleep disturbances during the luteal phase. |
| Sleep Deprivation | Sleep deprivation can improve the mood of those with PMDD. |
| Sleep Restriction | Sleep restriction may help by reducing mood symptoms. |
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What You'll Learn
Progesterone and oestrogen levels drop before menstruation, impacting sleep
Progesterone and oestrogen levels dropping before menstruation can have a significant impact on sleep. These hormonal changes can cause sleep problems, such as insomnia, and increased daytime tiredness.
During the luteal phase, which is the phase after ovulation but before menstruation, progesterone levels rise. Progesterone has sleep-promoting effects, helping the body to fall asleep and stay asleep. However, when progesterone levels reduce towards the end of the luteal phase, sleep problems can occur.
Oestrogen levels also fall during the luteal phase, which can disrupt sleep. Oestrogen induces a biological excitement in the body, which may lead to insomnia in the nights leading up to and during ovulation. This is more likely to occur during a woman's biological sexual peak in her 20s and early 30s.
Additionally, the drop in oestrogen leads to less REM sleep, when dreams usually occur. A decrease in REM sleep can make it harder to wake up in the morning and impact concentration levels, mood, relationships, and energy levels.
Progesterone and oestrogen levels are at their lowest right before menstruation, which can further disrupt sleep. This is when women are most likely to experience premenstrual syndrome (PMS) or premenstrual dysphoric disorder (PMDD), which can cause increased sleep problems. Women with PMDD tend to have a decreased response to melatonin, impacting their sleep quality.
To improve sleep during the luteal phase, it is recommended to maintain healthy sleep habits, such as exercising regularly, avoiding caffeine and alcohol close to bedtime, and keeping the bedroom cool and dark.
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PMS and PMDD can cause insomnia
Sleep disturbances are common during the menstrual cycle, and they are often linked to premenstrual syndrome (PMS) and premenstrual dysphoric disorder (PMDD). PMS and PMDD can cause insomnia and other sleep difficulties, particularly during the late luteal phase, which is the week leading up to the start of the next menstrual cycle.
PMS and Insomnia
PMS is a collection of physical and emotional symptoms that occur in the days or weeks before the start of a person's period. It is estimated that up to 90% of people who menstruate experience some form of PMS. One of the symptoms of PMS is insomnia or trouble sleeping. Research suggests that people with PMS are twice as likely to experience insomnia as their period approaches. They may also need more sleep than usual to feel well-rested and may feel more fatigued during the day.
The exact cause of the link between PMS and insomnia is not fully understood, but it is believed to be multifaceted. One factor may be the physical symptoms of PMS, such as bloating, breast tenderness, and pelvic or muscle pain, which can make it difficult to get comfortable and fall asleep. Additionally, the emotional and mood-related symptoms of PMS, such as depression, anger, anxiety, and irritability, can also disrupt sleep.
Hormonal changes during the menstrual cycle are also thought to play a significant role in sleep disturbances. During the late luteal phase, there is an increase in progesterone levels, which can cause sleepiness during the day. However, as the period nears, progesterone levels begin to decline, and this shift in hormone levels can disrupt sleep.
PMDD and Insomnia
PMDD is a more severe form of PMS, affecting about 3-8% of people who menstruate. It is characterised by more intense mood changes, including severe anxiety or depression in the week or two leading up to the period. People with PMDD often experience even worse sleep than those with PMS. Studies suggest that up to 70% of people with PMDD have insomnia symptoms before their period.
The hormonal changes during the luteal phase also affect people with PMDD differently. During this phase, they produce less melatonin, a hormone that promotes sleep. Their bodies also have a blunted response to melatonin, which can further disrupt their sleep. Additionally, changes in serotonin levels during the later part of the menstrual cycle may contribute to sleep problems, as serotonin is involved in regulating mood, sleep, and food cravings.
Managing Sleep Disturbances
For people struggling with sleep disturbances related to PMS or PMDD, there are some strategies that may help improve sleep:
- Maintaining a consistent sleep schedule by going to bed and waking up at the same time every day
- Getting regular exposure to natural daylight
- Limiting screen time before bed
- Practicing relaxation techniques such as meditation or deep breathing
- Reducing consumption of caffeine, alcohol, salt, and sugar
- Engaging in regular exercise
- Trying natural sleep supplements like valerian, ashwagandha, or CBD
- Considering cognitive behavioural therapy or other forms of therapy
- Consulting a doctor to discuss treatment options, such as hormonal contraceptives or antidepressants
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Sleep architecture changes during the luteal phase
Sleep architecture refers to how much time a person spends in each phase of sleep. During the luteal phase, the sleep architecture changes, with people spending more time in light sleep and less time in rapid eye movement (REM) sleep. This change in sleep architecture is thought to be caused by a decrease in melatonin levels.
During the mid-luteal phase, the amount of time spent in stage 2 sleep, also known as light sleep, increases, while the amount of time spent in REM sleep decreases. This change in sleep architecture is thought to be caused by an increase in progesterone levels, which can also cause an increase in body temperature, making it more difficult to fall and stay asleep.
Additionally, women with premenstrual dysphoric disorder (PMDD) may experience an additional change in sleep architecture in the form of increased deep sleep during the luteal phase. This change is thought to be caused by reduced melatonin levels, which can result in trouble falling asleep and maintaining a regular sleep cycle.
The luteal phase is also associated with an increased risk of insomnia. Women with PMDD have poorer sleep quality than those without it, and 66% of women with PMDD report sleep problems. This may be due to the anxiety and increased body temperature caused by increased progesterone levels, as well as the decrease in melatonin levels.
Furthermore, the luteal phase is associated with physical and emotional changes that can impact sleep. These changes include increased cramps, headaches, breast tenderness, bloating, and mood changes such as anxiety, irritability, and sadness. These symptoms can interfere with sleep and may be more pronounced in the late luteal phase, just before the start of the next menstrual cycle.
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Hormones impact body temperature, which affects sleep
Sleep is different for men and women, with differences becoming apparent after puberty. Women's sleep varies throughout the menstrual cycle, and changes again as women approach menopause. These changes are due to the effects of hormones such as oestrogen and progesterone on sleep.
The menstrual cycle can be divided into three phases: the follicular phase, ovulation, and the luteal phase. During the luteal phase, women often experience greater feelings of sleepiness due to increased levels of progesterone, which has sleep-promoting effects. However, when progesterone levels reduce towards the end of the luteal phase, sleep problems can occur.
During the luteal phase, there is more non-REM sleep and reduced REM sleep. Women also report poorer sleep quality during the three days prior to menstruation. This is due to increased levels of progesterone, which can lead to heightened anxiety and sleep disturbances.
Hormones can also impact body temperature, which affects sleep. Leading up to ovulation, body temperature decreases. Within 24 hours of releasing the egg, progesterone levels begin to rise, increasing basal body temperature. This sharp change in body temperature can lead to insomnia. As the body prepares for sleep, body temperature usually lowers by one to two degrees. To combat this, try sleeping in lighter pyjamas or using a lighter comforter.
Women with premenstrual dysphoric disorder (PMDD) tend to have a decreased response to melatonin during the luteal phase, leading to poorer sleep quality and worsened mood. This creates a hard-to-break cycle of decreased quality sleep leading to a decreased quality mood.
Additionally, higher levels of oestrogen in the morning can result in increased body temperature and decreased REM sleep. Irregular menstruation affects sleep throughout the cycle as hormone levels are irregular.
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Anxiety and pain can cause sleep disturbances
Common Sleep Disorders in Individuals with Anxiety Disorders
- Insomnia: Difficulty falling or staying asleep, resulting in poor sleep quality and daytime fatigue. This can lead to significant distress and may require behavioural therapies or medication for effective management.
- Sleep Apnea: Characterised by interrupted breathing during sleep, often accompanied by loud snoring. This disorder can increase cardiovascular risks and requires treatment.
- Restless Legs Syndrome (RLS) : An uncontrollable urge to move the legs, often with uncomfortable sensations, disrupting sleep. RLS typically worsens in the evening, making it challenging to fall asleep.
- Narcolepsy: A neurological disorder affecting sleep-wake cycles, resulting in excessive daytime sleepiness and sudden sleep attacks. This condition can severely impair daily functioning and quality of life, necessitating comprehensive treatment.
The Impact of Sleep Deprivation
Sleep deprivation resulting from anxiety disorders can have significant repercussions on both physical and mental health. It is associated with impaired cognitive function, increased irritability, higher levels of stress and anxiety, greater susceptibility to depression, and decreased immune function.
Chronic sleep deprivation can also lead to long-term health issues, including obesity, diabetes, and cardiovascular disease. The impact on mental health can be significant, as persistent sleep issues may contribute to the development of additional mental health disorders.
How Anxiety Affects Sleep
Individuals with anxiety disorders often experience heightened arousal, making it challenging to relax and fall asleep. Their minds may be filled with worries, intrusive thoughts, and a sense of impending doom, hindering the body's natural preparation for sleep.
Anxiety can also lead to physical symptoms such as increased heart rate and muscle tension, further disrupting sleep. Nightmares and nighttime panic attacks can further contribute to poor sleep quality. The body's fight-or-flight response triggered by anxiety can keep individuals in a state of hypervigilance, making it difficult to unwind at the end of the day.
How Sleep Problems Can Lead to Anxiety
Conversely, poor sleep can exacerbate anxiety symptoms. Lack of restorative sleep can impair emotional regulation, making individuals more vulnerable to stress and anxiety triggers. The resulting fatigue can heighten feelings of helplessness and irritability, further fuelling anxiety disorders.
Research has shown that improving sleep quality can lead to significant reductions in anxiety symptoms, highlighting the importance of addressing sleep issues in the treatment of anxiety disorders.
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Frequently asked questions
The luteal phase is the part of the menstrual cycle that starts with ovulation and ends with the first day of the next period.
During the luteal phase, the hormone progesterone is on the rise. This will increase sleepiness and body temperature. Your circadian rhythm is affected by the rise in progesterone, and you may find yourself wanting to go to bed earlier but also waking up earlier.
Period insomnia is the name for the sleep problems you can get before and sometimes during your period. You may find it hard to fall asleep and stay asleep, and you may wake up feeling less refreshed than usual.
You can improve your sleep hygiene by keeping a consistent sleep schedule, getting bright light first thing in the morning, avoiding bright light close to bedtime, and keeping your bedroom dark, cool, and quiet.
