0 1 2 3 Tue 21 Jan 1947 Sun 26 Jan 1947 Fri 31 Jan 1947 Wed 05 Feb 1947 Mon 10 Feb 1947 Sat 15 Feb 1947 Thu 20 Feb 1947 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