0 1 2 3 Fri 19 Jul 1929 Sun 28 Jul 1929 Tue 06 Aug 1929 Thu 15 Aug 1929 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