👉 Snooziness is a state of unconsciousness or slumber, often characterized by a lack of alertness and awareness. It can be caused by a variety of factors such as fatigue, dehydration, stress, or medication side effects. During a sleep cycle, the brain enters a deep state of relaxation, where it becomes more active and involved in various functions, including cognitive function, mood regulation, and body temperature regulation. Snooziness can occur at any time during a person's sleep cycle