<span>Amenorrhea. It is a phenomenon seen in women. It is the condition where the menstration becomes absent. It is mainly due to the low level of fat. since the athletes undergoes severe body activities there will be reduced level of fat.</span>
Trek Effect:<span>A popular </span>sci-fi media franchise<span> set in the future, primarily focusing on the adventures of the personnel of a space </span>navy<span> of an interstellar political </span>federation<span> of which Earth is a charter member.</span><span>
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Answer:
NREM-1
Explanation:
There are stages of sleep: Rapid Eye Movement(REM) and Non-Rapid Eye Movement(NREM).
Non-Rapid Eye Movement(NREM) is divided into four stages and the final stage in sleep is REM.
<u>The stage in which individuals experience drowsiness between waking and sleeping in the first stage of NREM called stage 1 sleep.</u>
<u>Stage 1 sleep is the stage in which an individual feels drowsy between wakefulness and sleep. In this stage, there is slowness of heartbeat and respiration rate and a decrease in body temperature as well</u>.
So, the correct answer is stage 1 sleep or NREM-1.
