sleep

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Related to light sleep: Light Sleeper, deep sleep
See: repose, rest
References in periodicals archive ?
Sleep too little and youve barely grazed the surface of light sleep.
After two stages of light sleep in which the body is drifting and transitioning into dormancy, deep sleep arrives.
Stage 1 (alpha wave) sleep is a light sleep in which muscle activity slows (sometimes sudden muscle jerks are experienced during this stage), preparing us for stage 2 (beta wave).
Like smartphone processors, the more powerful cores go to a light sleep state until required.
The Somnus' Smart Wake Up programme detects when you have entered your light sleep cycle and wakes you up at your highest possible energy level.
The embedded memories offer light sleep, deep sleep, and shut-down power management features for the lowest leakage, as well as assist circuitry to enable the lowest operating voltages.
As a consequence, you spend more time in light sleep and less time in deep, restorative sleep which you need to be energetic, mentally sharp and productive the following day.
Your brain activity slows down in this stage between light sleep and deep sleep.
NREM sleep consists of stages 1 (N1) and 2 (N2) light sleep, which is followed by stages 3 and 4, during which deeper, slow-wave-sleep (SWS) occurs.
Keep it on continually while baby is asleep, so when they come into a light sleep phase it soothes them back to sleep.