Interrupted Sleep Can Make You Cranky

Posted: Nov 1 2015, 9:05pm CST | by , Updated: Nov 2 2015, 11:31pm CST, in News | Latest Science News

 
Interrupted Sleep Can Make you Cranky
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New study links bad mood to disturbed sleep

Disturbed sleep can have a bad effect on your health.

According to new research, awakening several times in night can lead to cranky mood. It’s better to take short sleep without interruptions than getting longer but interrupted sleep.

“When your sleep is disturbed throughout the night, you don’t have the opportunity to progress through the sleep stages to get the amount of slow wave sleep that is the key to the feeling of restoration.” Patrick Finan, assistant professor of psychiatry and behavioral sciences at the John Hopkins University School of Medicine and lead author of the study, explained.

Researchers selected 62 healthy men and women and made them through three experimental sleep conditions either forced awake, delayed bedtimes or uninterrupted sleep. The participants had to spend three consecutive nights in the lab.

When their mood ratings were compared, researchers found that those who were forcefully awakened or had delayed bedtimes showed drop in positive mood after the first night. Significant changes were noticed after the second night. Interrupted sleepers continued to feel decline in positivity while short sleepers stayed almost at the same level where they had reported after the first night.

Study suggests that disturbed sleep can cause bad moods and is even worse than getting short or delayed sleep.

Depressed mood is a common symptom in new parents and patients of insomnia as well. Insomnia is a disorder that makes it harder for a person to fall asleep despite adequate conditions and 10% of America’s adult population is suffering from the disorder.

“Many individuals in insomnia achieve sleep in fits and starts throughout the night and they don’t have the experience of restorative sleep.” Finan said.

To assess sleep stages, researchers analyzed the brain pattern of the participants during sleep. They concluded that sufficient deep, slow wave sleep is essential for positive mood while lack of slow wave sleep not only affects mood but reduces energy levels and feeling of sympathy and cheerfulness.

Finan says. “You can imagine the hard time people with chronic sleep disorders have after repeatedly not reaching deep sleep.” He also suggests that further researches need to be carried to learn more about sleep stages and how it can help people suffering from insomnia.

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Hira Bashir covers daily affairs around the world.

 

 

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