The unfortunate thing is that to get complete data, you'd need full web cam coverage of your home in order to catch all instances of your cat sleeping over 24 h

The unfortunate thing is that to get complete data, you'd need full web cam coverage of your home in order to catch all instances of your cat sleeping over 24 hours. Otherwise your data risks being incomplete, or worse, skewed. The level of rigor required necessitates that only the most dedicated cat owners can study this phenomena.