Babies who are sleeping soundly and suddenly smile makes you amazed. In general, at 0 to 8 weeks of age, babies can smile when they sleep. This can be caused by several factors. Among them, the baby emits gas from its mouth so that the baby looks smiling. Even so, some say that the gas by the baby will not make him laugh. In some conditions the baby falls asleep, sometimes it makes your baby not just smile but laugh. The second reason babies smile at 0 to 8 months of age is a baby’s reflex. Laughter in sleep is considered a reflex to suck on the thumb, pacifier or pacifier that the baby is not aware of.
While the third cause can be caused by the sleep process that enters the REM (Rapid Eye Movement) stage. This occurred for 1/4 of the total sleep time. At this stage it is possible to smile or laugh while sleeping. Meanwhile, babies who have entered the age of more than 8 weeks. Babies will smile when they think they get a reaction that makes them feel good. Babies who dream of something happy will show a smile, while babies who dream of scary or traumatic dreams will have nightmares.
Dreams when the baby is sleeping will present images from the aspects that the baby experiences. If your baby experiences a change in motion during sleep, it is because the baby is experiencing a REM stage where the eyes will move, in the case of the hands and feet moving restlessly, which indicates the baby is dreaming. However, at the age of the baby, there will be different movements when sleeping. In the beginning, babies only smile when they dream, but in some cases babies can laugh.
Even in growing babies, the influence of dreams will make them scream or cry. This can also be a sign that the baby is experiencing expressions caused by dreams. Unlike babies who scream and cry because of discomfort in sleeping positions, cold, overheating or other environmental influences. Besides babies can smile while sleeping which is caused by these factors. Babies in life go through the smile stages.
At the stage of the baby’s smile, the baby starts with birth and grows up. Initially the baby only smiles reflexes, then the baby experiences a responsive smile, then the baby experiences a period of social smile where the baby will begin to get to know the surroundings of the people around him, at the next stage is a picky smile, that is, only smiles at certain people while the last baby who is increasingly developing enters over 12 months, the baby already has a sense of humor. When the baby catches something, the baby will respond with a smile.