Waking up in the middle of the night — what's normal and when is it a problem?

[admin]

Common reasons for waking up in the middle of the night, what's normal and when to be concerned, according to a sleep expert.

Waking up in the middle of the night — what's normal and when is it a problem? : Read more

 

[John_U]

There is some evidence that before electric lighting allowed us to stay up after dark, sleeping in two periods with a waking hour or so in between, was common. People would do a variety of things while they were awake and then go back for their "second sleep". This is true for me, and to make it work, I need to get to bed by 10:30 or so.

At Day's Close: A History of Nighttimeby A Roger Ekirch http://www.guardian.co.uk/books/2005/jul/30/featuresreviews.guardianreview8
http://www.guardian.co.uk/books/2005/jul/30/featuresreviews.guardianreview8

Busting the 8-Hour Sleep Myth: Why You Should Wake Up in the Night

The way modern humans get eight hours of sleep isn't actually natural. Life's Little Mysteries consults the experts on how we should be doing it.

www.livescience.com