[MSDN Library June 1998] Sleep (40.4761904761905%)

MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > Executables > Processes and Threads > Process and Thread Reference > Process and Thread Functions

[MSDN Library September 1992] Sleep (34.988038277512%)

Product Documentation > Win32 SDK for Windows NT > Programmer's Reference: API (prelim. ) > API Function Reference > S

[MSDN Library June 1998] Sleep (32.7167795089322%)

MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Messaging API (MAPI) > Appendixes > MAPI Versions of 32-Bit Windows Functions > Syntax and Limitations for Win32 Functions Useful in MAPI Development

[MSDN Library June 1998] SLEEP.SYS 3.1 Required for APM on AST Laptops (11.3064713064713%)

MSDN Library Visual Studio 6.0 > Knowledge Base > Windows 3.x Retail Product