0 1 2 3 Thu 16 Jul 1936 Mon 20 Jul 1936 Fri 24 Jul 1936 Tue 28 Jul 1936 Sat 01 Aug 1936 Wed 05 Aug 1936 Sun 09 Aug 1936 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