Hot camomile tea; can add a spoonful of honey. I buy a pound at a time and lasts a long while.

Barley Tea

Have you ever made eggnog yourself? It’s not that hard and it’s fucking wonderful

Milk tea with a pinch of tea masala. Or the simple version, a small pinch each of ginger and cardamom.

Warm milk is my go to hot bedtime drink

Eggnog? Often with cinnamon, but there are endless varieties, and I'm sure some have no cinnamon. No chocolate. Rarely spicy.

Try a home recipe; it's not complicated. It's great cold and hot, and it's not bad with a shot of espresso in the morning, either.

Are you looking to relax and willing to shell out $$? Kin Dream Light with pear juice and a little bit of lemon is a lovely non alcoholic nightcap.

Milk kefir is also good, or water kefir from tibicos.

None of these are literally warm, as I live where it's hot. But they are relaxing and non alcoholic. If you aren't sensitive to caffeine, do like the Spanish and have a coffee at night.

I often drink hot water when it is cold outside.

Hot Sake. From what I understand, the expensive stuff is what is generally served cold. The cheap stuff is served hot.