Ok, I'm going to go against the crowd and suggest you vape lower nic juice for a couple of hours before bed. Get some 0% nic (same flavour) and either mix it with the 0.6% you're using, or use it separately.
Nicotine is a stimulant. It raises you blood pressure, heart rate, makes you more alert, etc. This makes sleep less likely.
Nicotine is a stimulant. It raises you blood pressure, heart rate, makes you more alert, etc. This makes sleep less likely.