"Bad sleep habits" refers to the unhealthy or unhelpful behaviors and routines that can negatively affect the quality or quantity of our sleep. Full definition
A failed bedtime routine today does not equal a lifetime of bad sleep habits. (mamainthenow.com)
Am I letting my baby develop bad sleep habits that will make it difficult for her grandparents to take care of her four months from now? (alphamom.com)
It's never too late to change bad sleep habits, but parents need to practice patience. (parents.com)