The modern baby beds are designed keeping the above required features in mind. Always when ever one is thinking of buying crib or cradle following essential features are must to be seen.
(1) The mattress should not be too soft. If mattress soft, babies always have tendency to turn to side and face down. If mattress is soft baby is likely to get suffocated. Mattress should be little hard and should not have any loss cloth or bedsheet so that it should not entangle kids face.
(2) Mattress should be good ventilated from bottom, that is bottom of bed should not have solid base below the mattress. The bed should have no flat solid block below mattress.
(3) Should be easy to swing manually or automatic.
(4) Should have good view from sides to keep watch on baby. Sides should not be completely blocked.