What causes one to sleep more than normal?

1.Circadian rhythm disorders

* Delayed sleep phase syndrome (DSPS) is a condition in which the body's internal clock is delayed, causing people to fall asleep and wake up later than desired.

* Advanced sleep phase syndrome (ASPS) is the opposite of DSPS, causing people to fall asleep and wake up earlier than desired.

* Irregular sleep-wake syndrome is a condition in which people have no consistent sleep-wake pattern.

* Jet lag is a temporary disruption of the body's internal clock caused by rapid travel across time zones.

2.Medical conditions

* Anemia is a condition in which the blood does not have enough healthy red blood cells.

* Cancer can cause fatigue and sleep problems.

* Chronic pain can make it difficult to fall asleep and stay asleep.

* Diabetes can cause fatigue and sleep problems.

* Heart disease can cause fatigue and sleep problems.

* Hypothyroidism is a condition in which the thyroid gland does not produce enough thyroid hormone.

* Infections can cause fatigue and sleep problems.

* Kidney disease can cause fatigue and sleep problems.

* Liver disease can cause fatigue and sleep problems.

* Lupus is an autoimmune disease that can cause fatigue and sleep problems.

* Multiple sclerosis is a neurological condition that can cause fatigue and sleep problems.

* Obesity can cause fatigue and sleep problems.

* Parkinson's disease is a neurological condition that can cause fatigue and sleep problems.

* Pregnancy can cause fatigue and sleep problems.

* Rheumatoid arthritis is an autoimmune disease that can cause fatigue and sleep problems.

* Sleep apnea is a condition in which breathing repeatedly stops and starts during sleep.

3.Medications

* Antidepressants can cause drowsiness.

* Antihistamines can cause drowsiness.

* Benzodiazepines are a class of drugs that can cause drowsiness.

* Muscle relaxants can cause drowsiness.

* Opioid painkillers can cause drowsiness.

4.Alcohol and drug use

* Alcohol can interfere with sleep.

* Caffeine can keep people awake.

* Cocaine can cause insomnia.

* Marijuana can cause drowsiness.

* Methamphetamine can cause insomnia.

* Nicotine can interfere with sleep.

5.Other factors

* Age: As people get older, they tend to sleep less.

* Gender: Women are more likely to experience sleep problems than men.

* Stress: Stress can make it difficult to fall asleep and stay asleep.

* Poor sleep habits: Poor sleep habits, such as going to bed and waking up at different times each day or sleeping in a noisy or uncomfortable environment, can lead to sleep problems.