If you actually need an alarm and need to get up before sunrise in winter, get one with an artificial sun light. And one with tactile buttons. 

I used to have this one, but not being able to feel the buttons is a nightmare, especially if you need glasses to see what you do.

https://image.nostr.build/4eb529bc7d561fa716ae227bb1a183d88afc06c70336789a8dacfa40c396c88c.jpg