Health determiners. Absolute figures Average number of hours of sleep by sex and age group. Average and standard deviation. Units: average and standard deviation Average Standard deviation BOTH SEXES Total 7.80 1.69 0 to 4 years old 10.99 2.19 5 to 14 years old 9.18 1.04 15 to 24 years old 8.09 1.19 25 to 34 years old 7.55 1.19 35 to 44 years old 7.29 1.16 45 to 54 years old 7.15 1.26 55 to 64 years old 7.18 1.35 65 to 74 years old 7.33 1.63 75 to 84 years old 7.46 1.90 85 years old and over 8.10 2.26 MALES Total 7.86 1.65 0 to 4 years old 10.91 2.11 5 to 14 years old 9.15 1.04 15 to 24 years old 8.08 1.21 25 to 34 years old 7.54 1.17 35 to 44 years old 7.24 1.11 45 to 54 years old 7.19 1.26 55 to 64 years old 7.34 1.35 65 to 74 years old 7.61 1.53 75 to 84 years old 7.75 1.95 85 years old and over 8.31 2.36 FEMALES Total 7.74 1.73 0 to 4 years old 11.08 2.26 5 to 14 years old 9.22 1.04 15 to 24 years old 8.11 1.16 25 to 34 years old 7.57 1.22 35 to 44 years old 7.34 1.21 45 to 54 years old 7.11 1.27 55 to 64 years old 7.03 1.33 65 to 74 years old 7.09 1.67 75 to 84 years old 7.26 1.84 85 years old and over 7.99 2.20 Notes: 1) Hours of rest time are included. The symbol '.' shall be deemed as data which cannot be given due to an insufficient sample. The data corresponding to cells with fewer than 35 thousand persons must be considered with caution, as they may be affected by a high degree of sampling error. Source: Ministry of Public Health, Social Services and Equality and INE