Often used to describe the process of falling asleep at night or during normal sleeping hours.

Nighttime Usage

Implies a gentle and peaceful transition from wakefulness to sleep, without abrupt changes.

Peaceful Transition

Can suggest accidental or unplanned beginning of sleep, especially in unintended places.

Describes a slow, usually unintentional, movement away from a point or location.

Used when something moves without intention or control, not by someone's direction.

Implies the mind is wandering without conscious effort to stop focusing on the present task.

Can suggest difficulty staying engaged with complex or detailed information leading to loss of attention.

May happen in situations that are monotonous or lack stimulation, leading the mind to wander.