Yes, I'm probably giving it way too many stars, but I really have a proclivity both for British films of the 60's and sci-fi thrillers about cryogenics and suspended animation. I didn't pay too much for this (it was part of my now-infamous Mill Creek 50-pack called 'Nightmare Worlds'), it wasn't very long (around 70 minutes in my cut), had...

This has quite a quirky premiss as scientist "Overton" (Mark Stevens) works on a project to develop elementary cryogenics. They've tried tests on monkeys, but now it needs that next step - and he volunteers to be immersed in cooling gases and to take a very long nap! Now is he just doing his bit for progress or has he a more malevolent motive?...