Ashwin Lewis
Feeling sleepy at work is a common issue, and it can have a significant impact on your productivity and performance. While a quick shot of caffeine may provide a temporary solution, there are other effective strategies to combat sleepiness and improve alertness throughout the day. Understanding the underlying causes of daytime sleepiness and adopting simple lifestyle changes can help you stay awake and focused at work.
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What You'll Learn
- Take a nap during the day to reset your body and keep it from feeling sleepy
- Drink water throughout your shift to stay hydrated and alert
- Get tested for sleeping disorders and seek treatment if necessary
- Get some fresh air and spend time outside in the daylight to reset your circadian rhythms
- Limit your exposure to light before bed to help your body adjust its circadian rhythms
Take a nap during the day to reset your body and keep it from feeling sleepy
Napping during the day can be an effective way to reset your body and prevent sleepiness. A short nap of 10 to 20 minutes is known as a power nap and can improve your concentration and alertness. It can also enhance your memory, mood, and creativity.
The best time for a power nap is usually mid-afternoon, around 3 pm, as napping too late in the day can disrupt your bedtime routine. However, right after lunch is also a good time, as it aligns with your body's natural sleep/wake cycle, which is typically in a sleep phase around 1 pm.
To make the most of your power nap, find a quiet, cool place to rest. This could be in your car during a break, at your desk, or in a comfortable spot at home. If you're napping at work, you might want to put on some relaxing music to help you fall asleep, and set an alarm to ensure you don't nap for too long.
You can train your body to quickly fall asleep by establishing a daily napping routine. For example, napping in the same place, at the same time, and with the same music cues can signal to your body that it's time to rest.
If you're feeling sleepy at work, it's important to address the underlying causes. This may include getting tested for sleep disorders, improving your sleep schedule, or making lifestyle adjustments.
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Drink water throughout your shift to stay hydrated and alert
Drinking water is a simple yet effective way to boost your energy levels at work. Water is a vital component of a healthy lifestyle, and staying hydrated can improve your overall mood and energy levels. According to research published in the Journal of Nutrition, a 1-2% water deficit can cause irritability and increase the likelihood of headaches and fatigue.
Drinking water throughout your shift will ensure you stay hydrated and alert. It is recommended that you drink water at regular intervals, and most doctors advise consuming at least eight glasses of water per day. You can set hydration goals for yourself and track your water intake to ensure you meet them. Carrying a refillable water bottle with you is an easy way to remind yourself to drink water and allows you to sip throughout your shift.
Drinking water can also help prevent dehydration-related health issues, such as headaches, dizziness, fatigue, and impaired cognitive function. It is especially important to stay hydrated if you work long shifts or have a physically demanding job. Proper fluid intake is essential for your health and performance, and even a small amount of water loss can impact your body's functions. Water helps bring nutrients to your cells, eliminates waste, protects your joints and organs, and maintains your body temperature.
In addition to drinking water, getting fresh air and spending time outdoors can also boost your energy levels and improve your mood. Engaging in conversations with colleagues or friends can also help keep you alert, and choosing conversations over emails can improve workplace monotony.
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Get tested for sleeping disorders and seek treatment if necessary
If you're feeling sleepy at work, it could be a sign of an underlying sleep disorder. Getting tested for sleep disorders can help you identify the root cause of your sleepiness and allow you to seek appropriate treatment.
Sleep disorders can affect your energy levels and cognitive function, making it challenging to stay awake and focused at work. One common sleep disorder is sleep apnea, which occurs when the soft tissue at the back of your mouth collapses during sleep, causing loud snoring and periodic pauses in breathing. Other sleep disorders include narcolepsy, periodic limb movement disorder, certain types of seizures and epilepsy, night terrors, nocturnal panic attacks, sleepwalking, and sleep paralysis.
If you suspect you may have a sleep disorder, consult your healthcare provider. They may recommend a sleep study, also known as a polysomnogram (PSG) or overnight sleep study. This test involves monitoring and recording various body systems and processes while you sleep, such as brain waves, breathing, muscle activity, and heart function. Sensors and electrodes are placed on your head, face, and body to collect this information.
Sleep studies are typically conducted in a sleep lab or hospital, where technicians monitor your sleep in a private and comfortable setting. Similar equipment is available for home testing, which can be a cost-effective and convenient option, especially for less complicated cases. However, keep in mind that home tests can sometimes be inaccurate due to sensor issues or differences in sleeping positions.
After completing a sleep study, a sleep specialist or physician will review the data and discuss the results and next steps with you. They may collaborate with other healthcare providers to ensure seamless and coordinated care. Treatment options may vary depending on the specific sleep disorder diagnosed. For example, Provigil (modafinil) is a prescription drug used to treat certain sleep disorders, while Gamma-Hydroxybutyrate (GHB) is considered effective for treating excessive daytime sleepiness and cataplexy associated with narcolepsy.
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Get some fresh air and spend time outside in the daylight to reset your circadian rhythms
Getting some fresh air and spending time outside in the daylight can be an effective way to reset your circadian rhythm and reduce sleepiness at work.
Circadian rhythms are the physical, mental, and behavioral changes that follow a 24-hour cycle, and they are influenced primarily by light exposure. When light enters your eyes, cells send a signal to your brain to stop producing melatonin, a hormone that aids sleep. Therefore, exposing your eyes to bright light at specific times can help adjust your circadian rhythm.
Spending time outdoors in the daylight can provide your body with the light exposure it needs to reset its internal clock. Even a few minutes of fresh air and sunshine can boost your mood and energy levels, and improve your overall health. If you can, step outside during the early morning hours, as the blue light from the morning sun is especially beneficial for regulating your circadian rhythm.
If you are unable to go outside, consider bringing in a lightbox and positioning it near your desk. This can emit a low level of UV light to help regulate your wake cycle and reduce sleepiness. Alternatively, you can try to incorporate physical activity into your daily routine, as exercise can also influence your circadian rhythm.
By getting some fresh air and daylight, you can help reset your body's natural circadian rhythm, improving your energy levels and alertness throughout the workday.
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Limit your exposure to light before bed to help your body adjust its circadian rhythms
Light plays a central role in regulating the body's internal clock, which signals when to be alert and when to rest. Circadian rhythm is a 24-hour internal clock that coordinates a wide range of processes in the body, including sleep. This rhythm is controlled by a small part of the brain, known as the circadian pacemaker, which is influenced by light exposure.
When light enters the eye, it is sensed by a group of cells on the retina, which sends information to the brain about the time of day. The brain then sends signals to the body to control its organs and systems in accordance with that time of day. When exposed to only natural light, a person's circadian rhythm becomes closely synchronized with sunrise and sunset, staying awake during the day and sleeping when it's dark.
However, the availability of artificial light has substantially changed the light environment, especially during evening and night hours. This can increase the risk of developing circadian rhythm sleep-wake disorders (CRSWD), which are caused by a misalignment of endogenous circadian rhythms and external light-dark cycles. Excess or poorly timed artificial light exposure can cause a person's circadian rhythm to be misaligned with the day-night schedule, throwing their sleep out of whack and inducing other concerning health impacts.
To help limit your exposure to light before bed and promote a healthy circadian rhythm, it is recommended to reduce screen time and eliminate technology from your bedroom. Blue light, in particular, can keep the body and mind awake and alert, so it is important to cut down on time spent in front of computers, televisions, or smartphone screens at night. Instead, opt for a low-power lamp with softer light to help transition to bedtime and create a darker environment.
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Frequently asked questions
There are several ways to quickly reduce sleepiness at work, including:
- Splashing cold water on your face
- Drinking a caffeinated beverage
- Listening to upbeat music
- Getting some fresh air
- Doing some light stretching or moving around
To reduce sleepiness at work in the long term, you should focus on improving your sleep quality. This can be done by:
- Reducing your exposure to light and blue light before bed
- Limiting screen time from your TV, cellphone, or computer
- Avoiding caffeine during the second half of your shift
- Getting tested for and treated for any sleeping disorders
- Reducing stress and irritability during the workday
A poor diet can cause dehydration, which can make you feel lethargic or weak at work. Eating healthy snacks with a mix of protein, carbohydrates, and healthy fats can help keep your blood sugar and attention steady throughout the day.
Lack of sleep will inevitably lead to drowsiness at work. Getting consistent, quality sleep can help you perform better at work, reduce your reaction time, and leave you feeling more motivated during the day.
Working in an office environment can make it harder to squeeze in a nap during the workday. Sitting in one spot for too long can also worsen daytime sleepiness.
