0 1 2 3 Sun 14 Dec 1919 Fri 19 Dec 1919 Wed 24 Dec 1919 Mon 29 Dec 1919 Sat 03 Jan 1920 Thu 08 Jan 1920 Tue 13 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