After-tossing refers to the feeling of discomfort or uneasiness that may occur after a period of tossing and turning in bed. There are various synonyms for after-tossing, such as restlessness, insomnia, sleeplessness, wakefulness, and agitated wakefulness. Restlessness suggests a lack of calm or peace, whereas insomnia denotes the inability to fall asleep. Sleeplessness implies a lack of sleep or rest, while wakefulness suggests a state of being awake. Agitated wakefulness refers to a state of restlessness and anxiety, where an individual is unable to get a peaceful night's sleep. Each of these synonyms reflects a different aspect of the condition, but they all relate to the difficulty of settling into a restful sleep.