0 1 2 3 Fri 07 Dec 1928 Fri 14 Dec 1928 Fri 21 Dec 1928 Fri 28 Dec 1928 Fri 04 Jan 1929 Fri 11 Jan 1929 Fri 18 Jan 1929 Fri 25 Jan 1929 Fri 01 Feb 1929 Sun 03 Feb 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