Hi, Infants do not need a pillows. In fact, pillows and having many things in the cot can cause SIDS. Here are some articles that might interest you: https://www.healthhub.sg/live-healthy/1195/baby-time-to-unwind https://www.google.com.sg/amp/s/sg.theasianparent.com/when-can-a-baby-sleep-with-a-pillow/amp
no need to buy pillow, just pick up baby every 1hr or so....dont leave them lying on bed whole day
just have to change their sides when sleeping...my gal haven been sleeping pillow till now 1yr old