The amount of sleep a person needs depends on many factors, including age. For example, in general Infants require about 16 hours a day,
Teenagers need about 9 hours on average, most adults need 7 to 8 hours a night for the best amount of sleep, although some people may need as few as 5 hours or as many as 10 hours of sleep each day.
Women in the first 3 months of pregnancy often need several more hours of sleep than usual; however, experts say that if you feel drowsy during the day, even during boring activities, you haven’t had enough sleep.
The amount of sleep a person needs also increases if he or she has been deprived of sleep in previous days. Getting too little sleep creates a ‘sleep debt’, which is much like being overdrawn at a bank. Eventually, your body will demand that the debt be repaid.
We don’t seem to adapt to getting less sleep than we need, while we may get used to a sleep-depriving schedule, our judgment, reaction time, and other functions are still impaired. Too little sleep may cause Memory problems, depression and a weakening of your immune system, increasing your chance of becoming ill.
Renault is not only trying to secure their second drive for the 2010 season of Formula One, but is also very much focused on setting up a competitive test/reserve lineup as well. Consequently, some media in France reported that the Enstone based team has already signed two drivers for that spot, namely Jerome D’Ambrosio and Ho-Pin Tung.
Timex launched a new GPS watch recently, and while it’s intended for athletes who require more exact data when training, the new Ironman Global Trainer uses some pretty high end GPS technology in order to accurately track pace, distance, and heart rate. 
Jaguar Land Rover recently announced that David Smith will resign from his position as company CEO, but hasn’t provided a reason for his decision. Ravi Kant, currently serving as managing director of Tata Motors, will become interim CEO and will take all responsibilities until a new CEO is appointed.
Though some car enthusiasts might get offended, we’ve been having this feeling for a while that supercars nowadays need more powerful engines. It seems that we are not the only ones thinking that way, as Lamborghini decided to shift its research and development department from more horsepower to fewer pounds, says autoweek.com.
Suzuki’s British division recently announced the SX4 model got revised for 2010, with some minor exterior styling and interior changes. In addition, the five-door hatchback line-up also received a cleaner and more powerful 1.6-litre petrol engine. The UK SX4 range now offers two engine options – one diesel and one petrol. 
Michael Schumacher’s return to Formula One may have been all smiles until now, but the press conference during the Mercedes GP presentation event on Monday turned the page on that in a second. After revealing their 2010 livery yesterday, Mercedes GP had their drivers answer to questions from the German media.
Following the unexpected announcement made late last week that over 2 million more vehicles will be recalled in the US due to yet another accelerator-related problem, rumor has surfaced Toyota is eying to recall just about that much vehicles in Europe as well. 
