Charak Samhita
अभ्यङ्गोत्सादनं मूर्ध्नि तैलं जेन्ताकमातपम्। भजेद्भूमिगृहं चोष्णमुष्णं गर्भगृहं तथा ॥१४॥
Lifestyle in winter season: In hemanta ritu,abhyanga (massage), utsadana (anointing), murdhni taila (applying oil on the head), fomentation by jentaka (a type of fomentation/sudation) method, sunbath, spending time in hot underground houses and warmer, inner rooms of the house is indicated.
english translation
abhyaGgotsAdanaM mUrdhni tailaM jentAkamAtapam। bhajedbhUmigRhaM coSNamuSNaM garbhagRhaM tathA ॥14॥
hk transliteration by Sanscript