Your search for the postposition -tsąąh in or during sleep has returned 2 entries

-tsąąh

Shínaaí tł’éédą́ą́’ hááhgóóshį́į́ Bilagáanak’ehjí bitsąąh yáłti’.

1-brother night-last somehow English 3-sleep 3-talk.P
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My older brother was really talking English in his sleep last night. (YM 1987:251)