Natyashastra
सर्वैराकुञ्चितैरङ्गैः शय्याविद्धे तु जानुनी । स्थानमाकुञ्चितं नाम शीतार्तानां प्रयोजयेत् ॥ २२९॥
With all limbs drawn in and the knees tucked into the bed, the posture known as Ākuñcita is to be used for depicting those afflicted by cold.
english translation
sarvairAkuJcitairaGgaiH zayyAviddhe tu jAnunI । sthAnamAkuJcitaM nAma zItArtAnAM prayojayet ॥ 229॥
hk transliteration by Sanscript