0 1 2 3 Fri 08 Jun 1928 Fri 15 Jun 1928 Fri 22 Jun 1928 Fri 29 Jun 1928 Fri 06 Jul 1928 Fri 13 Jul 1928 Fri 20 Jul 1928 Fri 27 Jul 1928 Fri 03 Aug 1928 Wed 08 Aug 1928 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