Sudden clinginess, increased nighttime waking, and the need to be attached to a caregiver for naps are very common developmental milestones around the 6-month mark. This behavior is often linked to teething, growth spurts, or separation anxiety, where your baby is becoming more aware of their surroundings and their bond with you. While exhausting, this phase is temporary; try to offer extra comfort and follow your baby's cues, but don't hesitate to reach out to your pediatrician if you are worried that underlying issues like teething discomfort or digestive changes are affecting their sleep.