Natyashastra
विश्रामेष्वथ देवानां नराणां चार्थयोगतः । स्थानकं तावदेव स्याद्यावच्चेष्टा प्रवर्तते ॥ १७६॥
In the case of taking rest by gods or men, depending on the context, that posture (Sthāna) should be maintained only until any movement begins.
english translation
vizrAmeSvatha devAnAM narANAM cArthayogataH । sthAnakaM tAvadeva syAdyAvacceSTA pravartate ॥ 176॥
hk transliteration by Sanscript