0 1 2 3 Fri 30 Dec 1927 Sat 31 Dec 1927 Sun 01 Jan 1928 Mon 02 Jan 1928 Tue 03 Jan 1928 Wed 04 Jan 1928 Thu 05 Jan 1928 Fri 06 Jan 1928 Sat 07 Jan 1928 Sun 08 Jan 1928 Mon 09 Jan 1928 Tue 10 Jan 1928 Wed 11 Jan 1928 Thu 12 Jan 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