Search results
Results from the WOW.Com Content Network
“It’s actually normal to wake up several times per night, but awakenings need to be more than three to five minutes long to be remembered the following day,” says Dr. Audrey Wells, MD, a ...
So, what’s happening? Why has your body decided to suddenly nudge you awake in the wee hours? It certainly can’t be good for you.
Pay attention to whether any of these are waking you up at night, and make adjustments accordingly. For example, if you always wake up because the sun peeks in at 5 a.m., hang up blackout curtains.
The primary difference appears to be that pre-light cultures have more broken-up sleep patterns. For example, people without artificial light might go to sleep far sooner after the sun sets, but then wake up several times throughout the night, punctuating their sleep with periods of wakefulness, perhaps lasting several hours. [140]
Polyphasic sleep is the practice of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, which is one period of sleep within 24 hours. Biphasic (or diphasic, bifurcated, or bimodal) sleep refers to two periods, while polyphasic usually means more than two. [1]
In effect, the person accustomed to a later wake time is being asked not to wake up an hour early but 3–4 hours early, while waking up "normally" may already be an unrecognized challenge imposed by the environment. [citation needed] The bias toward early morning can also adversely affect adolescents in particular.
More than one in three adults in the U.S. don’t get enough sleep, so there’s a good chance you’ve struggled with getting a solid night’s shuteye from time to time or battled with daytime ...
However, they find it very difficult to wake up in time for a typical school or work day. If they are allowed to follow their own schedules, e.g. sleeping from 4:00 am to 1:00 pm, their sleep is improved and they may not experience excessive daytime sleepiness . [ 8 ]