Thursday, October 15, 2020

Do Insects Sleep?

by Irene Tobler University of Zurich, Switzerland Irene Tobler PhD, Professor emeritus, is a zoologist who was a pioneer in looking at the equivalents of mammalian...

We Live in Bad Times for Good Entrainment

by Anna Wirz-Justice Centre for Chronobiology, Psychiatric Clinic, University of Basel, Switzerland Anna Wirz-Justice PhD, Professor emeritus, is a founding member of the Society for Light...

Seven tips to get your sleep cycle back on track during lockdown

That’s done the trick. Benevolente82/ Shutterstock Lesley Ingram-Sills, Edinburgh Napier University You might have noticed your normal sleep pattern has changed. Some of us may be sleeping...

How many hours a night of sleep does an adult need to stay healthy? Does alcohol help you get a good night’s rest?

A reader asks:  How many hours a night of sleep does an adult need to stay healthy? Does alcohol help you get a good night's...

For all of my adult life (I’m 40), my sleep/wake schedule has been very inconsistent, mostly because I sleep late when I can do...

A reader asks:  For all of my adult life (I'm 40), my sleep/wake schedule has been very inconsistent, mostly because I sleep late when I...

I have a problem with chronic insomnia. I tire later and later each night, then sleep in later and later each morning, until I...

A reader asks:  I have a problem with chronic insomnia. I tire later and later each night, then sleep in later and later each morning,...

Why do I always wake up at 4 a.m. no matter when I have gone to sleep?

A reader asks:  Why do I always wake up at 4 a.m. no matter when I have gone to sleep? Answer: You have a strong internal circadian...

How can I determine the optimal number of hours of sleep for me? I have noticed that when I wake up 30 minutes earlier...

A reader asks: How can I determine the optimal number of hours of sleep for me? I have noticed that when I wake up 30...

Is it possible to have a rare case of extreme advance of sleep, which means you get tired, earlier and earlier in the day,...

A reader asks: Is it possible to have a rare case of extreme advance of sleep, which means you get tired, earlier and earlier in...

How many hours should we sleep at night?

A reader asks:  How many hours should we sleep at night? Answer: It depends on the individual. Six hours is around the short extreme, and nine hours...

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