Jennifer Walrich, Medline senior product manager, says while the company isn't seeing an "overwhelming trend" in hospital requests for sleep sacks, there is definite interest.

WSJ: How to Swaddle an Infant Safely

Here is a useful list at Medline Plus of what the best evidence to date tells us fish oil is and is not effective in treating.

FORBES: The Fish Oil Debate: Great Brain Medicine, or Just an Expensive Placebo?