Polyphasic sleep involves having
several sleep cycles throughout the 24 - hour period.
But in a more literal sense, they're stringing together
several sleep cycles in a row.
Babies go through
several sleep cycles throughout the night, sometimes waking only partially.
During a newborn's sleep,
several sleeping cycles and transitions occur.
Not exact matches
Each
cycle lasts about 50 - 60 minutes for a young baby, consists of a set of lighter and deeper
sleep phases and is repeated
several times a night.
Our
sleep comes in
cycles: we go through the different stages of
sleep several times a night.
If the baby is in bed with you, maybe even just in the same room, you may be able to get your
sleep cycles to synch up with theirs, so that it's fractionally less awful to be woken up
several times at night.
The
sleep cycle is changed between the second and third month of age and the baby goes into a light
sleep phase
several times a night.
Most babies have four - hour
sleep cycles and wake up
several times during the night.
A newborn
sleep cycle is about 40 to 60 minutes long, and an infant enters dream
sleep quickly, skipping
several sleep stages.
These
cycles may occur
several times during
sleep.
Melatonin supplements are often suggested for re-establishing your
sleep - wake
cycle when you travel east across
several time zones.
There are
several stages of
sleep that the body
cycles through during the night:
Several studies, including one published just this year, have confirmed these beneficial effects of ashwagandha on
sleep cycles, helping you fall asleep more easily without the drowsiness that prescription
sleep aids can give you.
In either case, it is a true vicious
cycle where
several poor nights of
sleep in a row can lead to a rewiring in the brain and a functional deficit in GABA production (11).
It occurs cyclically
several times during
sleep, and predominates towards morning, but it often comprises the smallest portion of the
sleep cycle.
Over the last 3 months alone, I found myself in a vicious
cycle of getting super sick, not getting enough
sleep, and getting
several migraines a week.
Couples experiencing infertility often suffer marital discord due to stress from
several sources including the financial strain of invasive high tech infertility treatments that can cost tens of thousands of dollars and have no guarantee of success; the emotional strain — shame, guilt and inadequacy — that many men and women endure as they struggle with the inability to produce biological children; and the physical strain from treatments that involve hormone and other drug therapies that can cause fatigue, nausea, headaches, mood swings, weight gain and disruption of the
sleep cycle.