спросонок
Нареч.; разг. being only half-awake, half asleep разг. not fully awake; ~он не разобрал, в чём дело he was too heavy with sleep to make out (what was going on).
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Полный русско-английский словарь
на Gufo.me
Нареч.; разг. being only half-awake, half asleep разг. not fully awake; ~он не разобрал, в чём дело he was too heavy with sleep to make out (what was going on).