My 11-week old sleeps for 18-20 hours a day. Is it too much? This is her usual routine, please help me see which parts I should change to let her stay active longer. Thanks! 9.30am- wakes up from sleep, feeding time and play 10.30am- sleep 11.30am- playtime 12.30pm- feeding time and sleep 3pm- wake up for another minor feed and return to sleep 4pm- playtime and bathing 5pm- feeding and sleep 6pm- playtime 7pm- feeding and sleep 8.30pm- playtime 10pm- diaper changing and feeding time 10.30pm- sleep till next day