Garudapurana 1.155.13

1.155.13

svapnenevābhibhavati na coktaśca sa bhāṣateḥ /
pittāddāhajvaraḥ svedo moho nityaṃ ca vibhramaḥ //

He feels overwhelmed as if by a dream, and when addressed he does not speak. / From pitta [come] burning fever, sweat, delusion, and constant disorientation;