What is the first stage of sleep in the 4 stages of sleep?Group of answer choicesLight sleepDeep sleepBody temperature dropsREM sleep

Identifying the First Stage of Sleep

In the context of the sleep cycle, there are recognized stages, typically categorized into non-rapid eye movement (NREM) and rapid eye movement (REM) sleep. The first stage of sleep is crucial for understanding how sleep progresses.

1. Light Sleep: This is the initial stage of sleep, often referred to as NREM stage 1. In this stage, the body begins to relax, and brain activity starts to slow down. It typically lasts for just a few minutes and can be easily disturbed.

2. Deep Sleep: This stage, often referred to as NREM stage 3, occurs after light sleep and is characterized by slower brain waves. It is harder to awaken someone during deep sleep.

3. Body Temperature Drops: While body temperature does indeed drop during sleep, this is a physiological response that occurs as the body transitions through various sleep stages, but it is not itself a sleep stage.

4. REM Sleep: This stage occurs after the NREM stages and is characterized by rapid eye movement, increased brain activity, and vivid dreams.

Conclusion

The correct answer to the question is Light Sleep, as it is the first stage in the four stages of sleep.