0 1 2 3 Sun 11 Jul 1920 Mon 19 Jul 1920 Tue 27 Jul 1920 Wed 04 Aug 1920 Thu 12 Aug 1920 Fri 20 Aug 1920 Sat 28 Aug 1920 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