0 1 2 3 Fri 12 Dec 1947 Mon 15 Dec 1947 Thu 18 Dec 1947 Sun 21 Dec 1947 Wed 24 Dec 1947 Sat 27 Dec 1947 Tue 30 Dec 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