Here is information from the American Academy of Pediatrics for parents and caregivers about doing tummy time with babies and creating a safe sleep environment for them.
Play and interact with babies while they are awake and on their tummy 2 to 3 times each day for a short time (3–5 minutes), increasing the amount of tummy time as babies show they enjoy it. Work up to 15 to 30 minutes each day by 7 weeks. A great time to do this is when babies finish a diaper change or wake up from a nap. Tummy time prepares babies for being able to slide on their belly and crawl. As babies grow older and stronger, they need more time on their tummy to build their own strength. Start from the first day home from the hospital.
Some babies may not like the tummy time position at first. Place yourself or...