Evie Summers
Feeling sleepy all day can be a symptom of hypersomnia, a condition where people fall asleep repeatedly during the day despite getting adequate sleep at night. Hypersomnia can be caused by a variety of factors, including sleep disorders, medications, medical or psychiatric illnesses, and lifestyle factors such as diet and exercise habits. If you are experiencing excessive sleepiness, it is important to consult a doctor to determine the underlying cause and explore treatment options, which may include medications or lifestyle changes.
| Characteristics | Values |
|---|---|
| Condition | Hypersomnia, Sleep Apnea, Narcolepsy, Restless Legs Syndrome, Insomnia, Kleine-Levin Syndrome, Idiopathic Hypersomnia, Seasonal Allergies, Chronic Fatigue Syndrome, Thyroid Condition, Anemia, Fibromyalgia, Bipolar Disorder, Depression, Anxiety, Pregnancy, Premenstrual Syndrome, Vitamin Deficiency, Dehydration |
| Symptoms | Constant, recurrent episodes of extreme sleepiness during the day, sleeping longer than average, difficulty waking up in the morning, daytime naps don't lead to improved alertness, anxiety, irritability, slow thinking, inability to focus/concentrate, memory problems, unusual feeling in legs, low mood, mood swings, problems recovering after physical activity, change or loss of appetite, trouble with thinking or memory, feelings of irritability or anxiety, joint or muscle pain, irregular heart rate, widespread pain, stiffness throughout the body, headaches or migraines, unusual behaviour during sleep, sleepwalking |
| Causes | Insufficient sleep, sleep disorders, medications, medical or psychiatric illnesses, environmental factors, shift work, mental states, alcohol, drug use, lack of physical activity, obesity, vitamin deficiencies, seasonal allergies, autoimmune disorders, diabetes, heart disease, pregnancy, premenstrual syndrome, stress, dehydration |
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Hypersomnia
There are many causes of hypersomnia, including inadequate sleep, sleep disorders, medications, and medical or psychiatric illnesses. The characteristics of hypersomnia vary from person to person, depending on age, lifestyle, and underlying causes. A major danger of hypersomnia is the increased risk of accidents, especially motor vehicle accidents.
Symptoms of hypersomnia include:
- Feeling unusually tired all the time
- The need for daytime naps
- Feeling drowsy, despite sleeping and napping – not feeling refreshed upon waking up
- Difficulty thinking and making decisions – the mind feels 'foggy'
- Memory or concentration difficulties
Some of the causes of hypersomnia include:
- Inadequate sleep – long working hours, overtime, shift work, and family demands can all contribute to inadequate sleep.
- Environmental factors – a snoring partner, a baby that wakes up during the night, noisy neighbours, uncomfortable temperatures, or an uncomfortable mattress can disrupt sleep.
- Mental states – anxiety and depression can impact sleep, making people prone to sleepiness during the day.
- Medications – alcohol, caffeinated drinks, tranquillizers, sleeping pills, and antihistamines can disrupt sleeping patterns.
- Medical conditions – hypothyroidism, oesophageal reflux, nocturnal asthma, chronic pain, epilepsy, Parkinson's disease, and Kleine-Levin syndrome can all cause disrupted sleep.
- Changes to time zones – jet lag can affect the internal biological clock that regulates sleep.
- Sleep disorders – sleep apnoea, restless legs syndrome, sleepwalking, narcolepsy, and insomnia may all cause sleep disruption or fragmented sleep.
If you suspect you may have hypersomnia, it is important to see a healthcare professional for diagnosis and treatment.
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Sleep disorders
There are several sleep disorders that can cause excessive sleepiness during the day. Here are some of the most common ones:
- Insomnia: This is the most common sleep disorder, affecting up to 35% of adults. It is characterised by difficulty falling or staying asleep. Insomnia can be temporary or long-lasting and is often made worse by caffeine, nicotine, alcohol, and certain medications.
- Sleep Apnea: This disorder causes a person's breathing to stop or be reduced during sleep, leading to fragmented sleep. Obstructive sleep apnea is caused by a blockage in the airway, while central sleep apnea occurs when the brain fails to send signals to the muscles that control breathing.
- Restless Legs Syndrome (RLS): RLS is a disorder characterised by unpleasant sensations in the legs and a strong urge to move them. It can also cause jerky leg movements during sleep, disrupting sleep quality and leading to sleepiness during the day.
- Narcolepsy: Narcolepsy is a sleep disorder that causes extreme daytime sleepiness and sudden "sleep attacks." It is related to the REM (rapid eye movement) stage of sleep, which can occur throughout the day in people with narcolepsy. It can also cause cataplexy, or sudden loss of muscle control.
- Hypersomnia: Hypersomnia is a condition where people experience extreme daytime sleepiness despite getting adequate or more than adequate nighttime sleep. It can be caused by various factors, including medical conditions, medications, alcohol use, and insufficient sleep.
- Circadian Rhythm Disorders: These disorders disrupt the body's internal clock, making it difficult to fall asleep or wake up at the desired times. This can include conditions such as jet lag or more serious disorders.
- Parasomnia: Parasomnia is characterised by unusual behaviour during sleep, such as sleepwalking, sleep talking, or even sleep-eating.
If you are experiencing excessive sleepiness during the day, it is important to consult a medical professional for proper diagnosis and treatment. They may recommend lifestyle changes, medications, or refer you to a sleep specialist for further evaluation.
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Lifestyle factors
Diet and vitamin deficiencies
A varied diet with plenty of minerals and vitamins is essential for maintaining energy levels. Vitamin B12 deficiency, for example, can cause anemia and fatigue. Vegans and vegetarians are particularly prone to vitamin B12 deficiency, as animal products are a primary source of this vitamin.
Dehydration
Dehydration can cause fatigue, so ensuring you are adequately hydrated throughout the day can help maintain energy levels.
Stress
Stress can impact your body in numerous ways, including making you feel tired. Muscle tension, shortness of breath, inflammation, stomach upset, and chronic activation of your nervous system are all ways that stress can lead to fatigue.
Sleep habits
Poor sleep habits, such as irregular sleep schedules, consuming caffeine, nicotine, alcohol, or certain medications close to bedtime, and not creating a peaceful sleeping environment, can all contribute to disrupted sleep and daytime sleepiness.
Shift work
Working night shifts or irregular hours can disrupt your sleep and lead to excessive daytime sleepiness. This is partly due to the challenge of getting sufficient sleep during the day and partly due to being out of sync with your body's internal clock or circadian rhythm.
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Medical conditions
There are several medical conditions that can cause excessive sleepiness, including:
- Sleep Disorders: Sleep disorders such as insomnia, sleep apnea, restless legs syndrome, narcolepsy, and hypersomnia can all cause excessive daytime sleepiness. These disorders can disrupt sleep or cause fragmented sleep, resulting in feeling sleepy during the day.
- Chronic Fatigue Syndrome (CFS): CFS affects about 1 million people in the United States, with women being more likely to receive a diagnosis. It is characterised by extreme fatigue, weakness, trouble sleeping, and a lack of refreshed feeling after sleep.
- Thyroid Conditions: Hypothyroidism, Hashimoto's thyroiditis, and Graves' disease can cause fatigue by disrupting the production of thyroid hormones, which play a crucial role in metabolism and circadian rhythms.
- Anemia: Iron deficiency anemia can lead to worse sleep quality and fatigue.
- Fibromyalgia: This condition causes widespread pain, sleep disturbance, and fatigue, affecting about 4 million adults in the United States.
- Seasonal Allergies: Seasonal allergies can cause fatigue, sleep problems, and difficulty thinking. Additionally, battling seasonal allergies with antihistamines can cause drowsiness.
- Diabetes: There appears to be a link between diabetes and sleep problems, with more than 90% of people with type 2 diabetes reporting sleep issues.
- Heart Disease: Fatigue is a common symptom of heart disease, and it can interfere with daily activities.
- Pregnancy: Pregnancy can be exhausting due to hormonal changes and the physical demands of growing a human.
- Premenstrual Syndrome (PMS): PMS can cause fatigue, along with other symptoms such as swollen, tender breasts and mood changes.
- Vitamin Deficiencies: Vitamin B12 deficiency, for example, can cause anemia and fatigue.
- Dehydration: Fatigue is one of the symptoms of dehydration, along with a decrease in urination or sweating.
- Stress: Chronic stress can cause inflammation and tire the body as it tries to calm it down.
- Mental Health Conditions: Depression, anxiety, and bipolar disorder can all impact sleep and cause excessive sleepiness.
- Other Medical Conditions: Conditions such as epilepsy, encephalitis, multiple sclerosis, Parkinson's disease, obesity, delayed sleep phase syndrome, and genetic disorders can also lead to hypersomnia.
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Mental health
Sleep is crucial for maintaining good mental health. However, several factors can disrupt sleep, such as stress, an uncomfortable sleeping environment, health conditions, medication, shift work, and mental health problems.
The Impact of Sleep on Mental Health
Sleep deprivation can negatively impact your mental health and increase the risk of developing mental health disorders. It can lead to increased anxiety, distress, and negative emotional responses to stressors. It can also make it more challenging to cope with daily stressors and accurately perceive the world. Sleep-deprived individuals may struggle with cognitive tasks such as attention, learning, memory, decision-making, and problem-solving.
The relationship between sleep and mental health is bidirectional, meaning that mental health problems can both cause and be caused by sleep issues.
Depression
Depression is often associated with insomnia, but oversleeping can also be a symptom, particularly in atypical depression. People with depression may sleep as a form of escape or to avoid negative thoughts and feelings. Sleep apnea, a common comorbidity with depression, can also lead to oversleeping due to disrupted sleep. Additionally, depression can cause disruptions to the circadian rhythm, resulting in delayed sleep patterns.
Anxiety
Anxiety disorders are strongly linked to sleeping problems. Worry and fear contribute to hyperarousal, a state of increased mental and physical activation, which is a central contributor to insomnia. Sleep problems can become an additional source of worry, creating anticipatory anxiety that makes it harder to fall asleep.
Post-Traumatic Stress Disorder (PTSD)
PTSD is associated with sleep disturbances due to frequent replaying of negative events, nightmares, and a constant state of alertness.
Bipolar Disorder
Sleep patterns in people with bipolar disorder vary depending on their emotional state. During manic periods, they may feel less need for sleep, while during depressive periods, they may sleep excessively.
Schizophrenia
Schizophrenia is associated with insomnia and circadian rhythm disorders, and these sleep problems may be exacerbated by the medications used to treat the condition.
Attention-Deficit/Hyperactivity Disorder (ADHD)
ADHD is linked to various sleep issues, including difficulty falling asleep, frequent awakenings, and excessive daytime sleepiness.
Seasonal Affective Disorder (SAD)
SAD, a subtype of depression, is closely tied to disruptions in the internal biological clock or circadian rhythm, leading to irregular sleep patterns, such as sleeping too much or too little.
Improving Sleep and Mental Health
Addressing sleep issues can be an essential component of treating mental health disorders. Cognitive Behavioral Therapy (CBT), specifically CBT for Insomnia (CBT-I), has been proven effective in reducing sleeping problems and improving emotional well-being. Additionally, improving sleep hygiene and cultivating healthy sleep habits can positively impact both sleep quality and mental well-being.
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Frequently asked questions
Hypersomnia is a condition where people fall asleep repeatedly during the day, despite getting adequate or more than adequate sleep at night. It is characterised by extreme daytime sleepiness and can affect your ability to function at work and socially. Hypersomnia is more common in females and usually occurs in adolescence or young adulthood.
Signs and symptoms of hypersomnia include constant, recurrent episodes of extreme sleepiness during the day, sleeping longer than average yet still feeling sleepy, difficulty waking up in the morning or after daytime naps, unrefreshing daytime naps, anxiety, irritability, slow thinking, and memory problems.
The cause of most cases of hypersomnia is unknown. However, it can be caused by underlying medical or mental health conditions, medications, alcohol or drug use, lack of physical activity, obesity, environmental factors, shift work, or changes to time zones.
Treatment for hypersomnia depends on the underlying cause and can include medication and lifestyle changes. Medications such as wakefulness-promoting agents and psychostimulants can help improve alertness. Lifestyle changes such as maintaining a regular sleep schedule, creating a peaceful sleeping environment, avoiding caffeine and alcohol, and improving sleep hygiene can also help manage hypersomnia.
