Sleeping on the left also allows much of the intestines to hang away from the very thin-walled inferior vena cava (IVC) which brings venous blood back toward the heart. Interestingly, the IVC lies against the right side of the spine, so when you lie on the left much of the viscera falls away from the IVC.
What is a 'Repurchase Agreement - Repo'. A repurchase agreement (repo) is a form of short-term borrowing for dealers in government securities. The dealer sells the government securities to investors, usually on an overnight basis, and buys them back the following day.
A reverse repo is a repo with the roles of A and B exchanged. In a repo the party B acts as a lender of cash, whereas the seller A is acting as a borrower of cash, using the security as collateral; in a reverse repo (A) is the lender and (B) the borrower.