How does lack of sleep typically affect daily life according to individuals?

Individuals commonly report that a lack of sleep leads to feelings of tiredness and being "out of it." Sleep is essential for cognitive functioning, emotional regulation, and overall physical health. When people do not get enough rest, they may struggle to concentrate, may feel lethargic, and often find it challenging to engage fully in their daily activities. This can manifest in decreased performance at work or school, impaired decision-making, and lower motivation. The concept of sleep's importance is well-documented, reinforcing how integral it is to maintain energy levels and cognitive clarity in daily life.