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== निद्राभेदाः॥ Types of Nidra ==

== निद्राभेदाः॥ Types of Nidra ==

Ayurveda literature described various types of sleep. There exist various causes related to body, mind and also the outer environment which may affect the process of sleep. The cause, effect and type of sleep decide its positive or negative effects on body and mind. Therefore, based on such factors, sleep has been categorized into various types. These are as below

Ayurveda literature described various types of sleep. There exist various causes related to body, mind and also the outer environment which may affect the process of sleep. The cause, effect and type of sleep decide its positive or negative effects on body and mind. Therefore, based on such factors, sleep has been categorized into various types by Acharya Charaka.<ref>Charaka Samhita ([https://niimh.nic.in/ebooks/ecaraka/?mod=read&h=rAtri Sutrasthanam Adhyayam 21 Sutram 58])</ref> These are as below

=== तमोभवा॥ Tamobhava ===

=== तमोभवा॥ Tamobhava ===