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Excessive daytime sleepiness (hypersomnia)

Excessive daytime sleepiness (hypersomnia) is a condition where people fall asleep repeatedly during the day; sometimes in the middle of eating a meal or during a conversation.

Check if it's hypersomnia

Excessive daytime sleepiness is different from feeling tired all the time.

If you have hypersomnia, you may:

What happens at your appointment

The GP will want to find out why you're sleeping excessively. They might:

Treatment for excessive sleepiness will depend on what's causing it. It may include medicine to help keep you awake.

Causes of hypersomnia

Conditions that may be related to excessive sleepiness include:

Some medicines, drinking too much alcohol and taking drugs can also cause excessive daytime sleepiness.

Sometimes there is no cause. This is called idiopathic hypersomnia.

Things you can try to help your sleeping habits

Changing your sleep habits may not cure hypersomnia, but it might help you feel better.

Try to:

It might also help to talk to your family and friends about your excessive daytime sleepiness so they're aware of it.