If you have drapes or blinds that let sunlight through them you may want to replace them.
How to stop light coming through blinds.
Even after installing window blinds it can allow sunlight streams through the side of the blinds.
In the window treatment world if the light is coming from the side of the window frame then we call them light gaps.
Visit your local home goods store for blackout blinds which help prevent any light from entering the room.
No light whatsoever will come through the fabric of the drapes therefore keeping your room cooler and less bright.
These are extra thick drapes will prevent sunlight from coming through and into your bedroom.
Roller shades naturally have large gaps to the sides of the fabric so these light blocking strips are the perfect solution for maximum light control.
Install the blinds before adding anything else to your window like curtains.
Install blackout blinds that are mounted to your windows.
In other words if you have blinds that are mounted a certain way or your window frame has molding that isn t completely flat from window to outer frame these are useless.
Purchase blinds that are 1 2 in 1 3 cm or so smaller than the width of your window but long enough to cover the entire window.
If your blinds are even 0 5 cm from the strip light will leak through.
Consider hanging up blackout drapes.
Keeping your blinds lower may not be the right solution to get relief from this problem.