By 12 months old, most babies tend to sleep better. Your baby might be sleeping for around 9 to 15 hours a day. They will sleep less during the day and longer.
After two months, your kitten sleeps an average of 18 hours per day like an adult. Her sleep cycle could be then split into a phase of sound sleep (20-25.
Total Sleep for Newborns to 2-Month-Olds: These teeny babies sleep 14 to 18 hours a day. During the first two months, babies sleep in bits and pieces, waking.