I like to recommend exercise with walking 30 minutes per day as a first approach, and consider whether there is sleep apnea or depression as well.
Ndithanda ukucebisa ukuba wenze imithambo uqale ngokuhamba imizuzu engama-30 ngemini, uze ujonge ukuba unayo kusini na ingxaki yokulala kakubi umana unqamka umphefumlo kunye nodandatheko.