0 1 2 3 Sun 10 Jun 1928 Mon 18 Jun 1928 Tue 26 Jun 1928 Wed 04 Jul 1928 Thu 12 Jul 1928 Fri 20 Jul 1928 Sat 28 Jul 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