Question

if the bed that you are siliping in, does not have mattress​

Answer 1

Answer:

“By sleeping without a mattress, you'll strengthen tiny muscles that build over time. You're putting pressure on your body parts. It's like a massage all night.” Bowman calls this “dynamic rest” that, coupled with daily foam rolling, will lead to a “more robust muscle structures for athletic adventures.”

Explanation:

Hope it will help you.

Answer 2

Answer:

The Strange situation is a standardized procedure devised by Mary Ainsworth in the 1970s to observe attachment security in children within the context of caregiver relationships. ... Much research in psychology has focused on how forms of attachment differ among infants.

Hope it will help you.