Madonna'a 26th album, Hard Candy, is out on 28 April
Madonna has admitted to sleeping with her Blackberry in case she remembers something during the night.
Speaking to monthly magazine Elle, the 49-year-old revealed her husband, Guy Ritchie, also tucks his handheld computer under the pillow at night.
"It's not unromantic, it's practical. I'm sure loads of couples have their Blackberrys in bed with them."
The singer, who is about to release her next album Hard Candy, denied reports about her marriage being on the rocks.
"I had to marry someone as tough as me. Guy's definitely tough. I had to marry a challenge, otherwise I would just get bored," she said.
"Whatever else Guy is, he's never boring."
The couple married in December 2000 and have one child together, called Rocco. They have since adopted a baby boy from Malawi.
Madonna already had a daughter, Lourdes, by a previous relationship,
The pop star also rubbished claims she was about to move back to the US, she added: "I think of Britain as my home. And I love the weather. All that rain and moisture is so good for the skin."