Bottom line: Make sure your crib mattress is at least 52x28x4 inches and it will fit in all modern-day cribs. This reduces the risk of any gaps between the mattress and the crib edge that could pose a potential danger to your sleeping baby.
In general, most toddlers make the move from a crib to a bed between the age of 18 months and 3 years old. This wide age range means there are a few factors to consider before making the change.
1600s - 1800s - Some early American babies slept in hollowed-out logs. Others were lulled to sleep in simple pine rockers. Early 20th Century - In the early 1900s parents began using elevated cribs to keep babies away from the cold ground. Wicker cribs were common but not the most comfortable.
According to the American Academy of Pediatrics (AAP), the best place for a baby to sleep is in his parents’ bedroom. He should sleep in his own crib or bassinet (or in a co-sleeper safely attached to the bed), but shouldn’t be in his own room until he is at least 6 months, better 12 months.
Dimensions. As you might guess from the name, the standard crib mattress is the typical mattress size for baby cribs. According to the Consumer Products Safety Commission, a standard (or regular) crib mattress should be no more than 6 inches thick and measure at least 27 1/4 inches wide and 51 1/4 inches long.
A brand new analysis of 20 new and old crib mattresses sold in the US, containing polyurethane foam and polyester foam padding, release significant amounts of volatile organic compounds (VOCs) that are harmful to baby’s health.
Innerspring. This is one of the most popular types, as they offer good support and durability . They can last for many years if well taken care of. Organic foam mattresses provide a firm surface with no gaps between it and your child’s bed frame or crib so there is no risk of entrapment .
The American Academy of Pediatrics says parents should keep the soft objects and loose bedding away from infants because they can inadvertently lead to suffocation. Furthermore, bedding has been associated with sudden infant death syndrome, the leading cause of death for infants 1 month to 1 year old.
Observe whether the overhang of the lower milk carton comes into any contact at all with the sleep surface. If it does, the sleep surface is too soft to be safe.
A mattress that costs between $90 and $200 will generally serve your baby well. Prices for foam and innerspring mattresses are comparable, ranging from $50 to $400 and up. (The more expensive ones are made with organic cotton or natural latex.) Low-priced models (less than $90) might be too soft and flimsy.
Both cribs and bassinets can be safe sleep choices for a newborn. However, they have several important differences. The most obvious one is size — a crib takes up a lot more space than a bassinet, so a bassinet can be easier in a smaller house. Their smaller size also makes bassinets more portable.
Babies get less sleep at night and sleep for shorter stretches when they sleep in their parents’ room after 4 months old, a new study finds.