Shayani Ekadashi or Dev-Shayani Ekadashi or Asadhi Ekadashi, which is a very significant day for Hindus. Sri Vishnu will fall asleep in the cosmic ocean of milk on Shesha Naga. Image is of Anantasayana Vishnu lying on the coils of Sheshanaga, 11th century CE, Karauli, Rajasthan, Bharatpur Museum. On top are the Dasavatars and Navagrahas. Madhu and Kaitabha are also seen fighting.