Question

two things your body needs energy for when you are asleep

Answer 1

Answer:

Energy use is particularly high during REM (rapid eye movement) sleep. During this time, your brain is highly active and you burn the most glucose, your body's source of fuel. Your heart rate and blood pressure also rise during this time, which burns more calories

Explanation:

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Answer 2

Explanation:

The brain itself burns glucose⁴ for energy, accounting for about 20% of the calories we consume while at rest.

Sleep is a time for the body to repair and regenerate⁵.

In order to do this more effectively, our body temperature drops, our breathing slows, and our metabolism lowers.