Glossary:Odinsleep, Marvel Database

Surtur (character) - Wikipedia

Glossary:P, Marvel Database

Hela In Comics Powers, Enemies, History

Marvel Comics Final Thoughts – Thor (2007), Vol 2 – RogueWatson

Glossary:O, Marvel Database

Council of Godheads (chiefs of Earth's Pantheons)

Destroyer (Enchanted Armor), Marvel Database

What is a list of all versions of Thor (Marvel) in terms of power

Odin Borson (Earth-616), Marvel Database

Top 10 Most Powerful Marvel Characters of All Time – Superhero Jacked

Odin lectures Tony Stark [Fear Itself #7.3] : r/Marvel

Odin In Comics Profile

Odin In Comics Profile

Why You Need All 4 Stages of Sleep

Why Sleeping in After a Busy Week Won't Work

How not getting enough sleep could increase your stroke risk

Why Do I Get So Hot When I Sleep? - Healthcare Associates of Texas

Try these 13 tips to help you sleep better