0 1 2 3 Tue 10 Jul 1928 Fri 13 Jul 1928 Mon 16 Jul 1928 Thu 19 Jul 1928 Sun 22 Jul 1928 Wed 25 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