On a recent episode of NHKOnline's Design Stories, about sleep, they tour an updated capsule hotel, with separate men's and women's floors, and built-in biometric monitoring to evaluate sleep apnea and such, anonymized and delivered a week or so later.

https://www3.nhk.or.jp/nhkworld/en/shows/2101034/

(They also show a cool new kind of bed designed by a chimpanzee expert to mimic the daily tree beds chimps make every evening.)