Vaisesika Sūtras
Vaisesika Sūtra 9.2.07
तथा स्वप्नः ॥७॥
tathā svapnaḥ ॥7॥
[तथा (tathā) - likewise; स्वप्नः (svapnaḥ) - dream;]
Likewise, dream as well.