Sounds like you have either a flea infestation note fleas are very small but do not fly they jump or the start of a termite infestation.
Tiny insect flying on carpet.
Carpet beetles are often attracted to light and warmth indoors.
Two major home invaders are the carpet bug better known as the carpet beetle and the maggot which is actually a house fly larvae.
Often they ll just fly inside your home but can also get inside on pets or clothes.
Carpet beetle larvae are elongated and appear to be fuzzy or hairy.
Best thing to do either way is bomb fog your whole house.
They enter your home in a myriad of ways.
Once inside carpet beetles dermestids can settle in and lay.
Carpet beetles are covered in tiny hairs which are difficult to see unless you look at them under magnification.
Hitching rides on cut flowers clothing or pets or simply flying though open windows.