It could also be an infection. My last cold turned into a sinus infection and I woke up in night sweats frequently. Hope you had a positive appointment today. My thoughts and prayers are with you

SCC tonsil(left) with contralateral mets. Modified right neck disection August, 2002. 33 rads(62 gy)both sides of neck and 3 cycles cisplatin completed October 25, 2002. 34 yo at time of diagnosis