Five-month-olds roll both ways and often drop to three or four longer naps.
rolls both ways; sits with support; brings objects to mouth.
Milestones are ranges, not deadlines. Healthy babies reach them weeks apart.
Every baby is different. These are typical ranges for healthy, full-term babies, not targets. The easiest way to know your baby's normal is to track a couple of weeks and look at the pattern.
Thungu is a baby-tracking bot, not medical advice. If you're worried about feeding, weight, sleep, or development, talk to your pediatrician.