The schedule for the mission called for the astronauts to follow the landing with a five-hour sleep period, but they chose to begin preparations for the EVA early, thinking they would be unable to sleep.
ðə skˈɛdʒuːl fɚðə mˈɪʃən kˈɔːld fɚðɪ ˈæstɹənˌɔːts tə fˈɑːloʊ ðə lˈændɪŋ wɪð ɐ fˈaɪvˈaʊɚ slˈiːp pˈiəɹɪəd, bˌʌt ðeɪ tʃˈoʊz tə bɪɡˈɪn pɹˌɛpɚɹˈeɪʃənz fɚðɪ ˈiːvə ˈɜːli, θˈɪŋkɪŋ ðeɪ wʊd biː ʌnˈeɪbəl tə slˈiːp.