"regular bedtime" is a correct and usable phrase in written English.
For example, you can use it in a sentence such as, "My parents have always stressed the importance of having a regular bedtime."
Keep to a regular bedtime.
I don't have a regular bedtime.
Set a regular bedtime and adopt a relaxing bedtime routine.
Try setting your phone for a regular bedtime reminder and morning wake-up.
"Getting kids into a regular bedtime routine does appear to have important impacts on behavioral development," she said.
It has long been considered the parental holy grail – a regular bedtime, adhered to by compliant children.
One of the best things you can do for your child is also the hardest to stick to: establishing regular bedtime routines.
After controlling for many social, economic and parental behavioral factors, the scientists found that children with a regular bedtime, whether early or late, had fewer behavioral problems.
British researchers interviewed mothers when their children were ages 3, 5 and 7, asking how often their children had a regular bedtime: always, usually, sometimes or never.
A regular bedtime schedule is unquestionably helpful for parents, but a new study has found it that it may be even more beneficial for their children.
Almost 20 percent of 3-year-olds had no regular bedtime, compared with 9.1 percent of 5-year-olds and 8.2 percent of 7-year-olds.
