Charak Samhita
तस्माद्धैमन्तिकः सर्वः शिशिरे विधिरिष्यते। निवातमुष्णं त्वधिकं शिशिरे गृहमाश्रयेत् ॥२०॥
Additional care in late winter season: Therefore, the whole regimen advised for hemanta should also be followed in shishira ritu. In addition to that, one should specially stay in less windy and warm shelters (homes).
english translation
tasmAddhaimantikaH sarvaH zizire vidhiriSyate। nivAtamuSNaM tvadhikaM zizire gRhamAzrayet ॥20॥
hk transliteration by Sanscript