あさねぼう朝寝坊asanebou
1.

A person who consistently wakes up later than intended in the morning, often due to staying up late the night before.

2.

The act of unintentionally sleeping past the time one planned to wake up in the morning.

3.

A habit of neglecting to rise early, leading to a delay in starting the day’s activities.

Example:

朝寝坊が癖になった。