People now get one to two hours less sleep each night, on average, compared to 60 years ago. A primary reason for this is the proliferation of electronics, which also allows us to work (and play) later than ever before.
The Internal Revenue Service requires that individuals be able to produce records proving any income, deductions or credit claimed for at least three years from the date of a return, the statute of limitations for how long the I.R.S. has to assess additional tax if all income was reported correctly.
4 How Long Should You Keep Business Invoices? Customers have as long as 18 months to dispute charges on their credit card bill. If you do not keep the credit card receipts from sales transactions, your business could be forced to return the money for the purchase to the customer's credit card company. If the credit card company sides with the customer and you do not have the receipt to validate the purchase, the company can debit your merchant account for a chargeback.