Bhagavad Gita · 6.17

युक्ताहारविहारस्य युक्तचेष्टस्य कर्मसु।युक्तस्वप्नावबोधस्य योगो भवति दुःखहा॥

yuktāhāra-vihārasya yukta-cheṣhṭasya karmasu yukta-svapnāvabodhasya yogo bhavati duḥkha-hā

For one who is moderate in eating and recreation, moderate in effort at work, moderate in sleep and wakefulness — yoga becomes the destroyer of sorrow.

— Bhagavad Gita 6.17

Source: Sacred-Texts.com (Sanskrit) + Bhagavad-Gita.io (translations)