my 4 years old boy keeps fingers in his mouth while sleeping. how to get rid of this habit.

Question

Accepted Answer

many times people use them but sometimes they can lead to vomiting or toxicity so by medical guidelines they are avoided
but you can go for any homemade remedies instead of any outside medicine for application

Accepted Answer

can we use any sour Medline. so that he can't keep finger in mouth.

Accepted Answer

it is usually self-limiting habit but maintain hygiene of the fingers
THUMB SUCKING : Babies have natural rooting and sucking reflexes, which can cause them to put their thumbs or fingers into their mouths . 
Because thumb sucking makes babies feel secure, some babies might eventually develop a habit of thumb sucking when they're in need of soothing or going to sleep.
Sometimes due to stress also this can occur.
It is many times increased during the teething process also.
You can wait till max till permanent tooth eruption starts
Most experts agree that a thumb-sucker younger than 5 shouldn't be pressured to stop

Stop by
1 Positive reinforcement : praise when child does not do it. Also offer bed time Stories and outside entertainment when child does not do it.

2 Identify trigger as what led to it. Stress ??

3 Gentle reminder. Do not scold and severely criticize

Last option- dentist treatment after 5years