Why Do I Feel Excessively Sleepy?

Are you feeling excessively sleepy throughout the day? It might indicate an underlying sleep-related disorder. While it's normal to feel sleepy occasionally, excessive sleepiness can significantly impact your personal and professional life. It can adversely affect productivity, mental alertness, attention span, and memory. This blog explores the root causes of excessive sleepiness and its effects on overall health.

Sleep Apnea

Sleep apnea is a common sleep-related disorder in which breathing briefly stops during sleep. This disorder can lead to excessive sleepiness, fatigue, and other health concerns. People with sleep apnea may face loud snoring, gasping, or choking noises during sleep. Can diagnose this condition through a sleep study, and treatments include Continuous positive airway pressure (CPAP) therapy, weight loss management, and dental devices.


Narcolepsy is a rare neurological disorder characterized by excessive daytime sleepiness, sleep attacks, and sudden loss of muscle control (cataplexy). Narcolepsy can be diagnosed through a sleep study, and treatments include stimulant medication, antidepressants, and Sodium oxybate.


It's known as insomnia, when people find it difficult to fall asleep or stay asleep. Insomnia can have a significant impact on a person's daily routine. Chronic insomnia can lead to excessive daytime sleepiness, fatigue, and irritability. It can also raise a person's risk of developing depression or anxiety. Treatment for insomnia varies and may include medication such as Zopiclone or Zolpidem, cognitive-behavioural therapy, and sleep hygiene techniques.

Restless Leg Syndrome

Restless leg syndrome is a nervous system illness that reasons an uncontrollable urge to move your legs, particularly when sitting or lying down. This condition can make falling or staying asleep difficult, leading to excessive sleepiness during the day. Treatment for restless leg syndrome includes medication, lifestyle changes, and addressing underlying medical conditions.


Some medications, such as antihistamines or benzodiazepines, can cause drowsiness as a side effect. Suppose you take medication that has this side effect. In that case, it's essential to be aware that it may cause you to feel excessively sleepy. Speak to your doctor if you are experiencing this side effect.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a condition that roots overwhelming fatigue that is not relieved by rest. People with this condition may feel they have not slept at all, even if they have slept for many hours. The condition is often accompanied by other symptoms such as joint pain, headaches, and muscle weakness.


Depression can reason a range of symptoms, including fatigue and excessive sleepiness. People with depression may find it challenging to stay awake during the day and feel physically and mentally exhausted even after a night's sleep.


Excessive sleepiness can significantly impact our daily lives, leading to poor performance, emotional instability, and health concerns. It's essential to seek medical attention if you're experiencing excessive sleepiness frequently. A sleep study can help diagnose underlying sleep disorders and develop an effective treatment plan. Maintaining good sleep hygiene habits, such as keeping a consistent sleep-wake schedule, regular exercise, avoiding caffeine and alcohol, and creating a relaxing sleep environment, can also help alleviate excessive sleepiness. Remember, a good night's sleep can improve your physical and mental well-being.