Stress is one of the main causes of insomnia. A recent study based on sleep recordings of 33 healthy adults finds that high levels of stress and worry are associated with less sleep time, more time spent awake at night and an increase in sleep latency(the time taken to fall asleep).This suggests that increased stress and worries at bed time lead to disturbed sleep and insomnia.

Boil Phychol.2007 Oct; 76(3) 2007 Aug. 6

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