The Compendium of Caraka 1.14.42

1.14.42

śūkaśamīdhānyapulākānāṃ veśavārapāyasakṛśarotkārikādīnāṃ vā prastare kauśeyāvikottarapracchadepañcāṅgulorubūkārkapatrapracchade vā svabhyaktasarvagātrasya śayānasyopasvedanaṃ& prastarasveda iti vidyāt//

One should know prastarasveda as the sweating of a person who has had his whole body well anointed and lies down upon a bed of awned or pod grains or pulse porridge, or of veśavāra, milk pudding, kṛśarā, boiled paste [utkārikā], and the like, covered with a layer of silk or wool, or covered with leaves of castor, eranda, or arka.