There are reports of insomnia, awakenings at night and other sleep problems while taking propranolol for hypertension. Several beta blockers are also linked to vivid and unusual dreams.

Does propranolol affect sleep?

The main side effects of propranolol are feeling dizzy or tired, cold hands or feet, difficulties sleeping and nightmares. These side effects are usually mild and short lived.

Should you take propranolol at night?

Propranolol extended-release capsules should be taken at bedtime (10 pm). This medicine may be taken with or without food. However, you should take it the same way each time.