Illness, sickness.1.
Neuropeptide that regulates arousal, wakefulness, and appetite.2.
A movement of air, especially a strong one.3.
Grow or develop.4.
A condition characterized by frequent and uncontrollable periods of deep sleep.5.
Loss of muscle tone, lack of muscle tone.6.
One of the paired bodily parts of animals, used esp. for moving or grasping.7.
A condition in which sb stops breathing temporarily while they are sleeping.8.
1.Rapid eye movement.
2.A drug used to treat depression.
3.The condition of being unable to sleep.
4.Temporary paralysis.
5.The action of taking air into the lungs and sending it out again.
6.The fact of seeming to see or hear sb/sth that is not really there.