0 1 2 3 Wed 01 Feb 1928 Sat 04 Feb 1928 Tue 07 Feb 1928 Fri 10 Feb 1928 Mon 13 Feb 1928 Thu 16 Feb 1928 Sun 19 Feb 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