When the Bassinet becomes to crowded for him. Remember that until 14 weeks ago he was really cramped! Enjoy your new baby every single minute. Life is a one-way street and the are are no replays! Om Muni Muni Mahāmuni Śākyamuni Svāhā
We slung all our kids in hammocks just 2-3 inches above our bed. If they ever were to roll out it would have been harmless, none ever did fall out. It worked out great.