Why my children have to play alone

When Oldest Son (3) was a baby we discovered that he was easily overstimulated by people and needed to have some time each day where he had only inanimate objects to interact with (and only a few of those). I instituted “crib-time” in the morning and afternoon. Forty-five minutes or so of time in his crib, with a few (four or five) appropriate toys and no human interaction. I kept an ear on him or would occasionally peek in to check on him but that was it. We quickly discovered that giving him some additional “crib-time” was often the key