Heart failure can affect the right or left side of your heart, or both at the same time. It can be either an acute (short-term) or chronic (ongoing) condition. In acute heart failure, the symptoms appear suddenly but go away fairly quickly. This condition often occurs after a heart attack.
Walmart: Hours vary by location. Most stores have regular hours (6 a.m. to midnight, or 24 hours, both days, depending on location). Target: Hours vary by location, but generally open 8 a.m. to 9 p.m. New Year's Eve. Regular hours New Year's Day. Best Buy: Open 10 a.m. to 7 p.m. New Year's Eve and New Year's Day.
If you mean 24-hour, in-store, customer service (financial services, returns, etc.) the answer is no. The customer service desk closes at 10 pm and reopens at 8 am at 24-hour Walmart Supercenters and Neighborhood Markets. Usually the one at my store closes around 10 PM and opens back up at 7 am.