Daytime glasses will not be effective for use at night-time and will not provide any benefits for sleep. To be effective and help with sleep, night-time blue blocking glasses MUST block 100% of blue light, or even better would be 100% of blue and green light up to 550nm. This is because any amount of blue light at night is a signal to the brain that its daytime and the sun is up. Daytime glasses don’t block all blue light, they are only designed to filter it down to more natural daytime levels.
If you’re wanting to allow yourself to truly wind down and relax in the evening and then get deep and restful sleep, a pair of night-time blue blocking glasses is essential