SF readers know that science fiction authors are well ahead of the game; for example, consider the napcap rental facility from Larry Niven's 2003 novel Saturn's Race:
She punched her card into the Napcap's slot. The lid lifted and she crawled inside. It shooshed down. The inside received her as a womb. The prospect of rest triggered an avalanche of yawns, and she was asleep before the lid sealed fully back in place. (More)
Update: 24-Feb-2024: As far as I know, the first use of the phrase "sleep pod" in science fiction is from Mantis (1967) by Chris Boyce. End update.
Scroll down for more stories in the same category. (Story submitted 2/9/2023)
Warfare Goes Underground In Ukraine
'Once in the very first weeks of the war, before everyone had been evacuated from the surface...' - Philip K. Dick,
Technovelgy (that's tech-novel-gee!)
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'If Anyone Is Watching Earth...'
'Our study of your race has convinced us that you are not fitted to leave your planet in the present state of your civilization.'
Tactile Skin Supplier Map
'What strange sensitivity! What an amazing development of science was manifested in every move and act and word of this Robot!'