0 1 2 3 Thu 25 Dec 1919 Tue 30 Dec 1919 Sun 04 Jan 1920 Fri 09 Jan 1920 Wed 14 Jan 1920 Mon 19 Jan 1920 Sat 24 Jan 1920 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