0 1 2 3 Fri 24 Jun 1921 Fri 01 Jul 1921 Fri 08 Jul 1921 Fri 15 Jul 1921 Fri 22 Jul 1921 Fri 29 Jul 1921 Fri 05 Aug 1921 Fri 12 Aug 1921 Fri 19 Aug 1921 Fri 26 Aug 1921 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All