0 1 2 3 Sun 29 Jul 1928 Fri 03 Aug 1928 Wed 08 Aug 1928 Mon 13 Aug 1928 Sat 18 Aug 1928 Thu 23 Aug 1928 Tue 28 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