(1) He keeps regular hours.

(2) When she gets really busy, she doesn't keep regular hours for eating or sleeping.

(3) The first step I take is to keep regular hours and stick to a healthy, balanced diet.

(4) They are forced to keep regular hours by the nature of their job.

(5) I wouldn't want to do shift work as Colin does; I like to keep regular hours.

(6) I always try to strike a balance between work and rest, and keep regular hours.